The open encyclopedia of minerals
Mineralogist.org
Minerals A–ZSearchCollectionsBrowse by PropertyIdentify a SpecimenCompare MineralsLocalities MapGlossaryContribute Search the Database →

Compare Minerals

Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

VS
Sugilite
Name
—
KNa₂Fe³⁺₂(Li₃Si₁₂)O₃₀
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
6–6.5
Mohs hardness
—
2.74–2.79
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
{0001}, poor
Cleavage
—
P6/mcc
Space group
—
Milarite
Structural group
—
Sug · Approved
IMA
—
1974
Named in
—
Purple, Pink, Brown
Typical colors
—
K · Na · Fe · Li · Si · O
Elements
—